CVE-2021-31630

HIGH 8.8CVE-2021-31630 · Published 03/08/2021 · updated 17/06/2026

In short

CVE-2021-31630 is a HIGH (CVSS 8.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 27.1%, higher than 98.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

Command Injection in Open PLC Webserver v3 allows remote attackers to execute arbitrary code via the "Hardware Layer Code Box" component on the "/hardware" page of the application.

References

packetstormsecurity.com/files/162563/OpenPLC-WebServer-3-Remote-Code-Execution.html · Exploit
youtube.com/watch · Exploit

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